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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_TIME_CALENDAR_UP_NEXT_VIEW_H_
#define ASH_SYSTEM_TIME_CALENDAR_UP_NEXT_VIEW_H_
#include "ash/ash_export.h"
#include "ash/system/time/calendar_view_controller.h"
#include "base/memory/raw_ptr.h"
#include "ui/views/animation/bounds_animator.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/view.h"
namespace ash {
// This view displays a scrollable list of `CalendarEventListItemView` for the
// events that a user has coming up, either imminently or that are already in
// progress but not yet finished.
class ASH_EXPORT CalendarUpNextView : public views::View {
METADATA_HEADER(CalendarUpNextView, views::View)
public:
CalendarUpNextView(CalendarViewController* calendar_view_controller,
views::Button::PressedCallback callback);
CalendarUpNextView(const CalendarUpNextView& other) = delete;
CalendarUpNextView& operator=(const CalendarUpNextView& other) = delete;
~CalendarUpNextView() override;
// Called by a timer in the calendar whilst the up next view is open to
// refresh any ongoing events.
void RefreshEvents();
// Returns the `SkPath` for the background of the `CalendarUpNextView`.
SkPath GetClipPath() const;
// views::View
void Layout(PassKey) override;
private:
friend class CalendarUpNextViewAnimationTest;
friend class CalendarUpNextViewPixelTest;
friend class CalendarUpNextViewTest;
friend class CalendarViewTest;
// Populates the scroll view with events.
void UpdateEvents(
const std::list<google_apis::calendar::CalendarEvent>& events);
// Callbacks for scroll buttons.
void OnScrollLeftButtonPressed(const ui::Event& event);
void OnScrollRightButtonPressed(const ui::Event& event);
// Toggles enabled / disabled states of the scroll buttons.
void ToggleScrollButtonState();
// Scrolls the scroll view by the given offset.
void ScrollViewByOffset(int offset);
// Takes two coordinates and animates the `content_view_` to move between
// them. Gives the effect of animating the horizontal `scroll_view_` smoothly
// moving upon the `left_scroll_button_` and `right_scroll_button_` presses.
void AnimateScrollToShowXCoordinate(const int start_edge,
const int target_edge);
// Owned by `CalendarView`.
raw_ptr<CalendarViewController, DanglingUntriaged> calendar_view_controller_;
// Owned by `CalendarUpNextView`.
const raw_ptr<views::View> todays_events_button_container_;
const raw_ptr<views::View> header_view_;
raw_ptr<views::Button> left_scroll_button_;
raw_ptr<views::Button> right_scroll_button_;
const raw_ptr<views::ScrollView> scroll_view_;
// The current events displayed in calendar up next. Serves as a cache to diff
// against when refreshing events.
SingleDayEventList displayed_events_;
// The content of the horizontal `scroll_view`, which carries a list of
// `CalendarEventListItemView`.
const raw_ptr<views::View> content_view_;
// Helper class for animating the `scroll_view_` when a scroll button is
// pressed.
std::unique_ptr<gfx::LinearAnimation> scrolling_animation_;
// Animation container used in the `scrolling_animation_` class.
scoped_refptr<gfx::AnimationContainer> animation_container_ =
base::MakeRefCounted<gfx::AnimationContainer>();
// Callback subscriptions.
base::CallbackListSubscription on_contents_scrolled_subscription_;
};
} // namespace ash
#endif // ASH_SYSTEM_TIME_CALENDAR_UP_NEXT_VIEW_H_
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